httpfilter.java

酒店网上预订系统 （网上预订酒店）

package tarena.netctoss.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class HttpFilter implements Filter {
	
	private FilterConfig filterConfig;

	public void destroy() {
		// TODO Auto-generated method stub
		filterConfig = null;
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub
		String encoding = filterConfig.getInitParameter("encoding");
		request.setCharacterEncoding(encoding);
		chain.doFilter(request, (HttpServletResponse)response);
	}
	
	public void doFilter(HttpServletRequest request, HttpServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		// TODO Auto-generated method stub

	}

	public void init(FilterConfig filterConfig) throws ServletException {
		// TODO Auto-generated method stub
		this.filterConfig = filterConfig;
		init();
	}
	
	public void init(){
		
	}
	
	public FilterConfig getConfig(){
		return filterConfig;
	}
	
	public String getInitParameter(String name){
		return "";
	}

}